63663345613 has 8 divisors (see below), whose sum is σ = 72964225728. Its totient is φ = 54413994624.

The previous prime is 63663345593. The next prime is 63663345637. The reversal of 63663345613 is 31654336636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63663345613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63663345913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12879631 + ... + 12884572.

It is an arithmetic number, because the mean of its divisors is an integer number (9120528216).

Almost surely, 2^63663345613 is an apocalyptic number.

It is an amenable number.

63663345613 is a deficient number, since it is larger than the sum of its proper divisors (9300880115).

63663345613 is a wasteful number, since it uses less digits than its factorization.

63663345613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25764563.

The product of its digits is 2099520, while the sum is 46.

The spelling of 63663345613 in words is "sixty-three billion, six hundred sixty-three million, three hundred forty-five thousand, six hundred thirteen".